Draw the electric field between two oppositely charged conducting spheres?
An item whose mass is 100 kg has this weight near the surface of the Earth.
What is 981 Newtons?
Determines how much you elongate or compress to store elastic energy.
What is the spring constant?
When two point charges of magnitude q1 and q2 are separated by a distance, r, the magnitude of the electrostatic force between them is F. What would be the magnitude of the electrostatic force between point charges 2q1 and 4q2 when separated by a distance of 2r?
2F
Two 20.-newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude?
0 Degrees
Same change in position over change in time.
constant velocity?
The current in a wire is 4.0 amperes. The time required for 2.5 × 1019 electrons to pass a certain point in the wire is
1.0 second
A photon is emitted as the electron in a hydrogen atom drops from the n = 5 energy level directly to the n = 3 energy level. What is the energy of the emitted photon?
0.97 eV
The number of antinodes for an open-open pipe with standing wave with 4 nodes.
What is 3 antinodes?
A 8.0-kilogram cart moving to the right at 4.0 meters per second about 40 to make a head-on collision with a 4.0-kilogram cart moving to the left at 6.0 meters per second.
After the collision, the 4.0-kilogram cart moves to the right at 3.0 meters per second. What is the velocity of the 8.0-kilogram cart after the collision?
0.50 m/s left
What type of opening allows the greatest diffraction?
a small opening